/usr/ is in python-software-properties 0.82.7.5.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/add-apt-repository
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/softwareproperties/
/usr/share/
/usr/share/pyshared/
/usr/share/pyshared/softwareproperties/
/usr/share/pyshared/softwareproperties/ppa.py
/usr/share/pyshared/softwareproperties/MirrorTest.py
/usr/share/pyshared/softwareproperties/distro.py
/usr/share/pyshared/softwareproperties/SoftwareProperties.py
/usr/share/pyshared/softwareproperties/CountryInformation.py
/usr/share/pyshared/softwareproperties/__init__.py
/usr/share/pyshared/softwareproperties/AptAuth.py
/usr/share/doc/
/usr/share/doc/python-software-properties/
/usr/share/doc/python-software-properties/README
/usr/share/doc/python-software-properties/TODO
/usr/share/doc/python-software-properties/changelog.gz
/usr/share/doc/python-software-properties/AUTHORS
/usr/share/doc/python-software-properties/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/add-apt-repository.1.gz
/usr/bin/apt-add-repository
/usr/lib/python2.7/dist-packages/softwareproperties/ppa.py
/usr/lib/python2.7/dist-packages/softwareproperties/MirrorTest.py
/usr/lib/python2.7/dist-packages/softwareproperties/distro.py
/usr/lib/python2.7/dist-packages/softwareproperties/SoftwareProperties.py
/usr/lib/python2.7/dist-packages/softwareproperties/CountryInformation.py
/usr/lib/python2.7/dist-packages/softwareproperties/__init__.py
/usr/lib/python2.7/dist-packages/softwareproperties/AptAuth.py